1673 DIESEL TRUCK ENGINE Caterpillar


Valves

Usage:

1 Spring ... 7S7144 7S7144

Length-test force applied ... 44,86 mm 1.766 in.

Test force ... 24,8-27,4 kg 54.8-60.6 lbs.

Free length ... 52,10 mm 2.05 in.

Outside diameter ... 35,20 mm 1.386 in.

2 Stem diameter ... 9,43-9,45 mm .3712-.3722 in.

3 Minimum permissible lip thickness (exhaust) ... 2,99 mm .118 in.

Minimum permissible lip thickness (inlet) ... 2,41 mm .095 in.

4 Valve face angle ... 291/4° 291/4°

5 Inlet valve head diameter ... 51,19-51,44 mm 2.015-2.025 in.

Exhaust valve head diameter ... 48,03-48,28 mm 1.891-1.901 in.

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